These pins are standard across most Bosch M7.9.7 variations used in European and Asian vehicles: Pins 3, 51, 61, 80: Power Ground. Pin 12: Constant Power (+12V from battery/Terminal 30). Pin 13: Switched Power (+12V from Ignition/Terminal 15). Pins 44, 63: Main Relay Power. Communication: Pin 71: K-Line (Diagnostic communication). Ignition Signals: Pin 1: Ignition Coil 1-4. Pin 2: Ignition Coil 2-3. Key Sensors: Pins 15 & 34: Crankshaft Position Sensor (DPKV). Pin 17: Throttle Position Sensor (TPS). Pin 35: MAP Sensor (DS). Pin 36: Oxygen Sensor (LSVK). Boot Mode & Bench Connections
The Bosch M7.9.7 Engine Control Unit (ECU) uses a standard 81-pin connector bosch m797 pinout better
| Pin # | Signal Name | Description | | --- | --- | --- | | 1 | VBATT | Battery voltage | | 2 | GND | Ground | | 3 | TPS | Throttle position sensor | | 4 | MAP | Manifold absolute pressure sensor | | ... | ... | ... | These pins are standard across most Bosch M7
Pin 71 is the primary serial communication line for OBDII diagnostics. Pins 44, 63: Main Relay Power